Home / 141,936.41-195,865.65-81,464.49

Finding the Fourth Proportional to 141,936.41, 195,865.65 and 81,464.49

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Solution

The fourth proportional to 141,936.41, 195,865.65 and 81,464.49 is: 112,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,936.41 : 195,865.65 = 81,464.49 : x
  2. Step 2: Convert to fraction form
    141,936.41/195,865.65 = 81,464.49/x
  3. Step 3: Cross multiply
    141,936.41x = 195,865.65 × 81,464.49
  4. Step 4: Simplify right side
    141,936.41x = 15,956,093,899.12
  5. Step 5: Solve for x
    x = 15,956,093,899.12/141,936.41
  6. Step 6: Final answer
    x = 112,417.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.